ZIP Code 21640
ZIP Code Tabulation Area in Caroline County, Maryland.
- Population
- 1,251
- Median household income
- $65,952
- Median home value
- $260,200
-16.5%’19–’23
+11.3%’19–’23
+26.1%’19–’23
Covering part of Caroline County, Maryland, ZIP Code 21640 has about 1,251 residents. At $65,952, its median household income sits in line with Caroline County's $66,368.
From 2019 to 2023, ZIP Code 21640's population declined 16.5% from 1,499 to 1,251, while its median gross rent rose 85.7% from $875 to $1,625.
8.8% of residents live below the poverty line. Households average 2.37 people.
Demographics
ACS 2019–2023- Population
- 1,251
- Median age
- 41.8 yrs
- Median household income
- $65,952
- Median home value
- $260,200
- Median gross rent
- $1,625
- Housing units
- 546
- Homeownership rate
- 96.0%
- Bachelor's degree or higher
- 14.6%
- Unemployment rate
- 1.4%
Trends
ACS 5-year · 2019–20231,4991,251
$59,250$65,952
$206,300$260,200
$875$1,625
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 1,499 | $59,250 | $206,300 | $875 |
| 2020 | 1,467 | $69,118 | $216,200 | $859 |
| 2021 | 1,627 | $70,875 | $233,200 | $1,409 |
| 2022 | 1,374 | $77,721 | $261,100 | $1,650 |
| 2023 | 1,251 | $65,952 | $260,200 | $1,625 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 54.9%
5 to 1717.8%
18 to 245.4%
25 to 3412.0%
35 to 4413.7%
45 to 547.8%
55 to 6412.5%
65 to 7412.1%
75 and over13.7%
| Count | Share | |
|---|---|---|
| Under 5 | 61 | 4.9% |
| 5 to 17 | 223 | 17.8% |
| 18 to 24 | 68 | 5.4% |
| 25 to 34 | 150 | 12.0% |
| 35 to 44 | 172 | 13.7% |
| 45 to 54 | 98 | 7.8% |
| 55 to 64 | 156 | 12.5% |
| 65 to 74 | 151 | 12.1% |
| 75 and over | 172 | 13.7% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 935 | 74.7% |
| Black or African American | 0 | 0.0% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 0 | 0.0% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 0 | 0.0% |
| Two or more races | 3 | 0.2% |
| Hispanic or Latino (any race) | 313 | 25.0% |
Educational attainment (age 25+)
No high school diploma19.0%
High school graduate53.5%
Some college or associate's12.9%
Bachelor's degree13.1%
Graduate or professional degree1.4%
| Count | Share | |
|---|---|---|
| No high school diploma | 171 | 19.0% |
| High school graduate | 481 | 53.5% |
| Some college or associate's | 116 | 12.9% |
| Bachelor's degree | 118 | 13.1% |
| Graduate or professional degree | 13 | 1.4% |
Commute to work
- Mean travel time to work
- 33 min
Drove alone94.6%
Carpooled1.7%
Public transit0.0%
Walked2.7%
Bicycle0.0%
Worked from home1.0%
Other means0.0%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 456 | 94.6% |
| Carpooled | 8 | 1.7% |
| Public transit | 0 | 0.0% |
| Walked | 13 | 2.7% |
| Bicycle | 0 | 0.0% |
| Worked from home | 5 | 1.0% |
| Other means | 0 | 0.0% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 78 | 16.4% |
| 15 to 29 min | 135 | 28.3% |
| 30 to 44 min | 157 | 32.9% |
| 45 to 59 min | 44 | 9.2% |
| 60+ min | 63 | 13.2% |
Households
- Average household size
- 2.37
- Poverty rate
- 8.8% (110 of 1,251)
| Count | Share | |
|---|---|---|
| Family households | 333 | 63.1% |
| Nonfamily households | 195 | 36.9% |
Housing
- Median year structure built
- 1986
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 528 | 96.7% |
| Vacant | 18 | 3.3% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 507 | 96.0% |
| Renter-occupied | 21 | 4.0% |
1-unit, detached55.9%
1-unit, attached0.0%
2 to 4 units0.7%
5 to 19 units0.0%
20 or more units0.0%
Mobile home & other43.4%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 305 | 55.9% |
| 1-unit, attached | 0 | 0.0% |
| 2 to 4 units | 4 | 0.7% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 0 | 0.0% |
| Mobile home & other | 237 | 43.4% |
Geography
- ZCTA
- 21640
- Land area
- 26 sq mi
- Water area
- 0.08 sq mi
- Center point
- 39.0681, -75.8209
Counties this ZIP covers
2Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)